What is the problem of data response in the case of vuex multi-module?

the project has multiple modules: home module, login module, etc. Each module has its own data.
I get the data from vux on other pages and assign variables to the current page.

this.userinfo = this.$store.state.login;//vuex
this.userinfo = this.$store.state.login.userinfo;//

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the first one has value, the second one has no value

Mar.10,2021

the following is OK. I've always been the one below. What do you mean by "no"?

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